1. Although dozens of New York’s small museums are either devoted to local history or various ethnic groups, there are many one-of-a-kind museums from Manhattan to the Bronx that are open for exploration on summer weekends. (A) Although dozens of New York’s small museums are either devoted to local history or various ethnic groups, there are (B) Although dozens of New York’s small museums are devoted to local history or various ethnic groups, (C) Dozens of New York’s small museums are devoted to local history or various ethnic groups, but there are (D) Dozens of New York’s small museums are devoted to local history or various ethnic groups, and there are also（D） (E) Devoted to local history or various ethnic groups, dozens of New York’s small museums and also 这道题我很不明白， A either or不对称，错 B 为什么错？ C 为什么错？but难道不正确吗？ E 改变了原句意思，我明白了 BC请大家帮我解释一下 | 
